| article html file updated | 19 August 2015 09:01 CEST | Update | https://www.mdpi.com/1424-8220/13/11/15187 |
| article html file updated | 14 August 2014 12:06 CEST | Update | - |
| article xml file uploaded | 14 August 2014 12:06 CEST | Update | https://www.mdpi.com/1424-8220/13/11/15187/xml |
| article html file updated | 20 December 2013 09:23 CET | Original file | - |
| article xml file uploaded | 20 December 2013 09:22 CET | Original file | - |
| article pdf uploaded. | 7 November 2013 19:35 CET | Updated version of record | https://www.mdpi.com/1424-8220/13/11/15187/pdf |
| article pdf uploaded. | 6 November 2013 11:48 CET | Version of Record | https://www.mdpi.com/1424-8220/13/11/15187/pdf-vor |
